Unit 1 Matter Review

Which of the following indicate that a chemical reaction has occurred?

• the formation of gas bubbles

• a change in color

• an odor

• all of these indicate that a chemical reaction has occurred.

Tags

NGSS.MS-PS1-2

Fill in the blanks using the available answer choices. The particles that make up gases are ___________________________.

• very far apart

• very close together

• densely packed

• tightly bound

• closely aligned

Fill in the blanks using the available answer choices. A _______________ property is a characteristic that can be observed and measured.

• physical

• chemical

• biological

• mathematical

A ______ produces new matter with new and different properties.

• chemical change

• physical change

• mixture

• solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The ability to burn is an example of a physical property.

• True

• False

________________ is a physical property that describes how light reflects off of an object.

• Reflectivity

• Transparency

• Opacity

• Density

Tags

NGSS.MS-PS4-2

The amount of space an object takes up is its ______.

• matter

• mass

• volume

• property

Fill in the blanks using the available answer choices. A boiled egg in its shell weighs ____________________ a raw egg in its shell.

• the same as

• more than

• less than

• twice as much as

What would happen to the weight of an ice cube if it melted?

• It would weigh a little more.

• It would weigh a lot less.

• It would weigh the same.

• It would weigh a lot more.

Tags

NGSS.MS-PS1-5

Which mixture is a solution?

• muddy water

• cranberry juice

• potting soil

• milk